BING PICTURES

Golden Bridge near Da Nang, Vietnam (© REUTERS/Kham TPX)(Bing Canada)

Ouzel Lake in North Cascades National Park, Washington state (© Ethan Welty)(Bing Canada)

Monarch butterflies in Michoacán, Mexico (© Alejandro Prieto/Minden Pictures)(Bing Canada)

Close-up of a storm on Jupiter from the Juno spacecraft (© NASA/JPL-Caltech/SwRI/MSSS/Gerald Eichstadt/Sean Doran)(Bing Canada)

For Smile Day, a common octopus (© blickwinkel/Alamy)(Bing Canada)

Apple tree on Salt Spring Island in British Columbia, Canada (© Radius Images/Offset)(Bing Canada)

Performers at the 26th Human Tower Competition in Tarragona, Spain (© Xinhua/Pau Barrena/Getty Images)(Bing Canada)

Bohemian Waxwing (Bombycilla garrulus) feeding on crabapples, Sudbury, Ontario, Canada (© Don Johnston/Getty Images)(Bing Canada)

Albuquerque International Balloon Fiesta runs until October 14 (© Blaine Harrington III/Alamy)(Bing Canada)

Hubble Space Telescope’s view of Saturn (© NASA)(Bing Canada)

Schoolgirls in Fort Kochi, Kerala, India (© imageBROKER/Alamy)(Bing Canada)

Replica of Lascaux cave paintings at the International Centre for Cave Art in Montignac, France (© Caroline Blumberg/Epa/Shutterstock)(Bing Canada)

The Bode Museum during the Festival of Lights (© fhm/Getty Images)(Bing Canada)

Dawn redwoods in a lake at Zimaling Park, Zhongshan, China (© Yaorusheng/Getty Images)(Bing Canada)

An oxpecker sits on an African buffalo in Maasai Mara National Reserve, Kenya (© Susan Portnoy/Offset)(Bing Canada)

Portland, Maine (© CFW Photography/Getty Images)(Bing Canada)

Icebergs on Mendenhall Lake near Juneau, Alaska (© John Hyde/age fotostock)(Bing Canada)

Morning mist and autumn colours in Grandes-Piles, Que. (© Eric Baccega/Minden Pictures)(Bing Canada)

Valletta, Malta, one of Europe’s capitals of culture for 2018 (© Adrian Malanca/Getty Images)(Bing Canada)

Studio Festi performs during Festival Internacional Cervantino in Guanajuato, Mexico (© Hector Vivas/Getty Images)(Bing Canada)

Tsusiat Falls at night, spilling onto the beach along the West Coast Trail, B.C. (© Ethan Welty/Aurora Photos)(Bing Canada)

A pumpkin patch in Columbia County, Pennsylvania (© Beck Photography/Aurora Photos)(Bing Canada)

Common pipistrelle bat for Bat Appreciation Month (© Mario Cea Sanchez/Minden Pictures)(Bing Canada)